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<FONT color="green">001</FONT>    /**<a name="line.1"></a>
<FONT color="green">002</FONT>     * =================================================================================<a name="line.2"></a>
<FONT color="green">003</FONT>     *<a name="line.3"></a>
<FONT color="green">004</FONT>     * BSD LICENCE (http://en.wikipedia.org/wiki/BSD_licenses)<a name="line.4"></a>
<FONT color="green">005</FONT>     *<a name="line.5"></a>
<FONT color="green">006</FONT>     * ARTIFACT='barchart-udt4';VERSION='1.0.2-SNAPSHOT';TIMESTAMP='2011-01-11_09-30-59';<a name="line.6"></a>
<FONT color="green">007</FONT>     *<a name="line.7"></a>
<FONT color="green">008</FONT>     * Copyright (C) 2009-2011, Barchart, Inc. (http://www.barchart.com/)<a name="line.8"></a>
<FONT color="green">009</FONT>     *<a name="line.9"></a>
<FONT color="green">010</FONT>     * All rights reserved.<a name="line.10"></a>
<FONT color="green">011</FONT>     *<a name="line.11"></a>
<FONT color="green">012</FONT>     * Redistribution and use in source and binary forms, with or without modification,<a name="line.12"></a>
<FONT color="green">013</FONT>     * are permitted provided that the following conditions are met:<a name="line.13"></a>
<FONT color="green">014</FONT>     *<a name="line.14"></a>
<FONT color="green">015</FONT>     *     * Redistributions of source code must retain the above copyright notice,<a name="line.15"></a>
<FONT color="green">016</FONT>     *     this list of conditions and the following disclaimer.<a name="line.16"></a>
<FONT color="green">017</FONT>     *<a name="line.17"></a>
<FONT color="green">018</FONT>     *     * Redistributions in binary form must reproduce the above copyright notice,<a name="line.18"></a>
<FONT color="green">019</FONT>     *     this list of conditions and the following disclaimer in the documentation<a name="line.19"></a>
<FONT color="green">020</FONT>     *     and/or other materials provided with the distribution.<a name="line.20"></a>
<FONT color="green">021</FONT>     *<a name="line.21"></a>
<FONT color="green">022</FONT>     *     * Neither the name of the Barchart, Inc. nor the names of its contributors<a name="line.22"></a>
<FONT color="green">023</FONT>     *     may be used to endorse or promote products derived from this software<a name="line.23"></a>
<FONT color="green">024</FONT>     *     without specific prior written permission.<a name="line.24"></a>
<FONT color="green">025</FONT>     *<a name="line.25"></a>
<FONT color="green">026</FONT>     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"<a name="line.26"></a>
<FONT color="green">027</FONT>     * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED<a name="line.27"></a>
<FONT color="green">028</FONT>     * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.<a name="line.28"></a>
<FONT color="green">029</FONT>     * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,<a name="line.29"></a>
<FONT color="green">030</FONT>     * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,<a name="line.30"></a>
<FONT color="green">031</FONT>     * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,<a name="line.31"></a>
<FONT color="green">032</FONT>     * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,<a name="line.32"></a>
<FONT color="green">033</FONT>     * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING<a name="line.33"></a>
<FONT color="green">034</FONT>     * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.<a name="line.34"></a>
<FONT color="green">035</FONT>     *<a name="line.35"></a>
<FONT color="green">036</FONT>     * Developers: Andrei Pozolotin;<a name="line.36"></a>
<FONT color="green">037</FONT>     *<a name="line.37"></a>
<FONT color="green">038</FONT>     * =================================================================================<a name="line.38"></a>
<FONT color="green">039</FONT>     */<a name="line.39"></a>
<FONT color="green">040</FONT>    package com.barchart.udt.nio;<a name="line.40"></a>
<FONT color="green">041</FONT>    <a name="line.41"></a>
<FONT color="green">042</FONT>    import java.net.InetSocketAddress;<a name="line.42"></a>
<FONT color="green">043</FONT>    import java.nio.channels.CancelledKeyException;<a name="line.43"></a>
<FONT color="green">044</FONT>    import java.nio.channels.SelectableChannel;<a name="line.44"></a>
<FONT color="green">045</FONT>    import java.nio.channels.SelectionKey;<a name="line.45"></a>
<FONT color="green">046</FONT>    import java.nio.channels.Selector;<a name="line.46"></a>
<FONT color="green">047</FONT>    import java.nio.channels.spi.AbstractSelectionKey;<a name="line.47"></a>
<FONT color="green">048</FONT>    <a name="line.48"></a>
<FONT color="green">049</FONT>    import com.barchart.udt.ExceptionUDT;<a name="line.49"></a>
<FONT color="green">050</FONT>    import com.barchart.udt.SocketUDT;<a name="line.50"></a>
<FONT color="green">051</FONT>    <a name="line.51"></a>
<FONT color="green">052</FONT>    /**<a name="line.52"></a>
<FONT color="green">053</FONT>     * NOTE: 1&lt;-&gt;1 mapping between: SelectionKeyUDT -&gt; ChannelUDT -&gt; SocketUDT<a name="line.53"></a>
<FONT color="green">054</FONT>     */<a name="line.54"></a>
<FONT color="green">055</FONT>    public class SelectionKeyUDT extends AbstractSelectionKey {<a name="line.55"></a>
<FONT color="green">056</FONT>    <a name="line.56"></a>
<FONT color="green">057</FONT>            final SelectorUDT selectorUDT;<a name="line.57"></a>
<FONT color="green">058</FONT>            final ChannelUDT channelUDT;<a name="line.58"></a>
<FONT color="green">059</FONT>    <a name="line.59"></a>
<FONT color="green">060</FONT>            /**<a name="line.60"></a>
<FONT color="green">061</FONT>             * used by JNI<a name="line.61"></a>
<FONT color="green">062</FONT>             */<a name="line.62"></a>
<FONT color="green">063</FONT>            final int socketID;<a name="line.63"></a>
<FONT color="green">064</FONT>            final SocketUDT socketUDT;<a name="line.64"></a>
<FONT color="green">065</FONT>    <a name="line.65"></a>
<FONT color="green">066</FONT>            SelectionKeyUDT(SelectorUDT selector, ChannelUDT channel,<a name="line.66"></a>
<FONT color="green">067</FONT>                            Object attachment, int ops) {<a name="line.67"></a>
<FONT color="green">068</FONT>    <a name="line.68"></a>
<FONT color="green">069</FONT>                    this.channelUDT = channel;<a name="line.69"></a>
<FONT color="green">070</FONT>                    this.selectorUDT = selector;<a name="line.70"></a>
<FONT color="green">071</FONT>                    super.attach(attachment);<a name="line.71"></a>
<FONT color="green">072</FONT>                    this.interestOps = ops;<a name="line.72"></a>
<FONT color="green">073</FONT>    <a name="line.73"></a>
<FONT color="green">074</FONT>                    this.socketUDT = channel.getSocketUDT();<a name="line.74"></a>
<FONT color="green">075</FONT>                    this.socketID = socketUDT.getSocketId();<a name="line.75"></a>
<FONT color="green">076</FONT>    <a name="line.76"></a>
<FONT color="green">077</FONT>                    if (channel.getChannelKind() == KindUDT.CONNECTOR) {<a name="line.77"></a>
<FONT color="green">078</FONT>                            // special relationship for connectors<a name="line.78"></a>
<FONT color="green">079</FONT>                            ChannelSocketUDT socketChannel = (ChannelSocketUDT) channel;<a name="line.79"></a>
<FONT color="green">080</FONT>                            socketChannel.setRegistredKey(this);<a name="line.80"></a>
<FONT color="green">081</FONT>                    }<a name="line.81"></a>
<FONT color="green">082</FONT>    <a name="line.82"></a>
<FONT color="green">083</FONT>            }<a name="line.83"></a>
<FONT color="green">084</FONT>    <a name="line.84"></a>
<FONT color="green">085</FONT>            volatile int interestOps;<a name="line.85"></a>
<FONT color="green">086</FONT>            volatile int readyOps;<a name="line.86"></a>
<FONT color="green">087</FONT>    <a name="line.87"></a>
<FONT color="green">088</FONT>            //<a name="line.88"></a>
<FONT color="green">089</FONT>    <a name="line.89"></a>
<FONT color="green">090</FONT>            @Override<a name="line.90"></a>
<FONT color="green">091</FONT>            public SelectableChannel channel() {<a name="line.91"></a>
<FONT color="green">092</FONT>                    return (SelectableChannel) channelUDT;<a name="line.92"></a>
<FONT color="green">093</FONT>            }<a name="line.93"></a>
<FONT color="green">094</FONT>    <a name="line.94"></a>
<FONT color="green">095</FONT>            @Override<a name="line.95"></a>
<FONT color="green">096</FONT>            public int interestOps() {<a name="line.96"></a>
<FONT color="green">097</FONT>                    if (!isValid()) {<a name="line.97"></a>
<FONT color="green">098</FONT>                            throw new CancelledKeyException();<a name="line.98"></a>
<FONT color="green">099</FONT>                    }<a name="line.99"></a>
<FONT color="green">100</FONT>                    return interestOps;<a name="line.100"></a>
<FONT color="green">101</FONT>            }<a name="line.101"></a>
<FONT color="green">102</FONT>    <a name="line.102"></a>
<FONT color="green">103</FONT>            @Override<a name="line.103"></a>
<FONT color="green">104</FONT>            public SelectionKey interestOps(int ops) {<a name="line.104"></a>
<FONT color="green">105</FONT>                    if (!isValid()) {<a name="line.105"></a>
<FONT color="green">106</FONT>                            throw new CancelledKeyException();<a name="line.106"></a>
<FONT color="green">107</FONT>                    }<a name="line.107"></a>
<FONT color="green">108</FONT>                    if ((ops &amp; ~(channel().validOps())) != 0) {<a name="line.108"></a>
<FONT color="green">109</FONT>                            throw new IllegalArgumentException("invalid ops");<a name="line.109"></a>
<FONT color="green">110</FONT>                    }<a name="line.110"></a>
<FONT color="green">111</FONT>                    if (((ops &amp; OP_CONNECT) != 0) &amp;&amp; socketUDT.isConnected()) {<a name="line.111"></a>
<FONT color="green">112</FONT>                            throw new IllegalArgumentException("already connected");<a name="line.112"></a>
<FONT color="green">113</FONT>                    }<a name="line.113"></a>
<FONT color="green">114</FONT>                    interestOps = ops;<a name="line.114"></a>
<FONT color="green">115</FONT>                    return this;<a name="line.115"></a>
<FONT color="green">116</FONT>            }<a name="line.116"></a>
<FONT color="green">117</FONT>    <a name="line.117"></a>
<FONT color="green">118</FONT>            @Override<a name="line.118"></a>
<FONT color="green">119</FONT>            public int readyOps() {<a name="line.119"></a>
<FONT color="green">120</FONT>                    if (!isValid()) {<a name="line.120"></a>
<FONT color="green">121</FONT>                            throw new CancelledKeyException();<a name="line.121"></a>
<FONT color="green">122</FONT>                    }<a name="line.122"></a>
<FONT color="green">123</FONT>                    return readyOps;<a name="line.123"></a>
<FONT color="green">124</FONT>            }<a name="line.124"></a>
<FONT color="green">125</FONT>    <a name="line.125"></a>
<FONT color="green">126</FONT>            @Override<a name="line.126"></a>
<FONT color="green">127</FONT>            public Selector selector() {<a name="line.127"></a>
<FONT color="green">128</FONT>                    return selectorUDT;<a name="line.128"></a>
<FONT color="green">129</FONT>            }<a name="line.129"></a>
<FONT color="green">130</FONT>    <a name="line.130"></a>
<FONT color="green">131</FONT>            //<a name="line.131"></a>
<FONT color="green">132</FONT>    <a name="line.132"></a>
<FONT color="green">133</FONT>            @Override<a name="line.133"></a>
<FONT color="green">134</FONT>            public int hashCode() {<a name="line.134"></a>
<FONT color="green">135</FONT>                    return socketID;<a name="line.135"></a>
<FONT color="green">136</FONT>            }<a name="line.136"></a>
<FONT color="green">137</FONT>    <a name="line.137"></a>
<FONT color="green">138</FONT>            @Override<a name="line.138"></a>
<FONT color="green">139</FONT>            public boolean equals(Object otherKey) {<a name="line.139"></a>
<FONT color="green">140</FONT>                    if (otherKey instanceof SelectionKeyUDT) {<a name="line.140"></a>
<FONT color="green">141</FONT>                            SelectionKeyUDT other = (SelectionKeyUDT) otherKey;<a name="line.141"></a>
<FONT color="green">142</FONT>                            return other.socketID == this.socketID;<a name="line.142"></a>
<FONT color="green">143</FONT>                    }<a name="line.143"></a>
<FONT color="green">144</FONT>                    return false;<a name="line.144"></a>
<FONT color="green">145</FONT>            }<a name="line.145"></a>
<FONT color="green">146</FONT>    <a name="line.146"></a>
<FONT color="green">147</FONT>            //<a name="line.147"></a>
<FONT color="green">148</FONT>    <a name="line.148"></a>
<FONT color="green">149</FONT>            @Override<a name="line.149"></a>
<FONT color="green">150</FONT>            public String toString() {<a name="line.150"></a>
<FONT color="green">151</FONT>                    InetSocketAddress local;<a name="line.151"></a>
<FONT color="green">152</FONT>                    try {<a name="line.152"></a>
<FONT color="green">153</FONT>                            local = socketUDT.getLocalSocketAddress();<a name="line.153"></a>
<FONT color="green">154</FONT>                    } catch (ExceptionUDT e) {<a name="line.154"></a>
<FONT color="green">155</FONT>                            local = null;<a name="line.155"></a>
<FONT color="green">156</FONT>                    }<a name="line.156"></a>
<FONT color="green">157</FONT>                    InetSocketAddress remote;<a name="line.157"></a>
<FONT color="green">158</FONT>                    try {<a name="line.158"></a>
<FONT color="green">159</FONT>                            remote = socketUDT.getRemoteSocketAddress();<a name="line.159"></a>
<FONT color="green">160</FONT>                    } catch (ExceptionUDT e) {<a name="line.160"></a>
<FONT color="green">161</FONT>                            remote = null;<a name="line.161"></a>
<FONT color="green">162</FONT>                    }<a name="line.162"></a>
<FONT color="green">163</FONT>    <a name="line.163"></a>
<FONT color="green">164</FONT>                    return " socketID=" + socketID<a name="line.164"></a>
<FONT color="green">165</FONT>                                    + //<a name="line.165"></a>
<FONT color="green">166</FONT>                                    " type=" + channelUDT.getChannelKind()<a name="line.166"></a>
<FONT color="green">167</FONT>                                    + //<a name="line.167"></a>
<FONT color="green">168</FONT>                                    " readyOps=" + toStringOps(readyOps) + "(" + readyOps + ")"<a name="line.168"></a>
<FONT color="green">169</FONT>                                    + //<a name="line.169"></a>
<FONT color="green">170</FONT>                                    " ntrstOps=" + toStringOps(interestOps) + "(" + interestOps<a name="line.170"></a>
<FONT color="green">171</FONT>                                    + ")" + //<a name="line.171"></a>
<FONT color="green">172</FONT>                                    " local=" + local + //<a name="line.172"></a>
<FONT color="green">173</FONT>                                    " remote=" + remote + //<a name="line.173"></a>
<FONT color="green">174</FONT>                                    "";<a name="line.174"></a>
<FONT color="green">175</FONT>            }<a name="line.175"></a>
<FONT color="green">176</FONT>    <a name="line.176"></a>
<FONT color="green">177</FONT>            public static final String toStringOps(int keyOps) {<a name="line.177"></a>
<FONT color="green">178</FONT>                    char R = (OP_READ &amp; keyOps) != 0 ? 'R' : '-';<a name="line.178"></a>
<FONT color="green">179</FONT>                    char W = (OP_WRITE &amp; keyOps) != 0 ? 'W' : '-';<a name="line.179"></a>
<FONT color="green">180</FONT>                    char C = (OP_CONNECT &amp; keyOps) != 0 ? 'C' : '-';<a name="line.180"></a>
<FONT color="green">181</FONT>                    char A = (OP_ACCEPT &amp; keyOps) != 0 ? 'A' : '-';<a name="line.181"></a>
<FONT color="green">182</FONT>                    return String.format("%c%c%c%c", A, C, W, R);<a name="line.182"></a>
<FONT color="green">183</FONT>            }<a name="line.183"></a>
<FONT color="green">184</FONT>    <a name="line.184"></a>
<FONT color="green">185</FONT>    }<a name="line.185"></a>




























































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